hadoop - Mapper not invoked while using multipleInputFormat -
i have driver class using multipleinputformat class invoke different mappers @ runtime. when use multipleinputs.addinputpath(job, fstatus.getpath(), textinputformat.class,createpuredeltamapperone.class) in first loop, first mapper(createpuredeltamapperone) not getting invoked. when comment block of code invokes multiple input format first loop, , call outside, mapper class invoked. please me find issue. import java.io.ioexception; import java.io.inputstreamreader; import java.net.urisyntaxexception; import java.util.properties; import org.apache.hadoop.conf.configuration; import org.apache.hadoop.fs.filestatus; import org.apache.hadoop.fs.filesystem; import org.apache.hadoop.fs.path; import org.apache.hadoop.io.text; import org.apache.hadoop.mapreduce.job; import org.apache.hadoop.mapreduce.lib.input.fileinputformat; import org.apache.hadoop.mapreduce.lib.input.multipleinputs; import org.apache.hadoop.mapreduce.lib.input.textinputformat; import org.apache.hadoop.mapreduce.lib.o...